适当形式痛苦:1 What are you ( ) (do) now I ( ) (eat) bread

适当形式痛苦:1 What are you ( ) (do) now I ( ) (eat) bread

题目
适当形式痛苦:1 What are you ( ) (do) now I ( ) (eat) bread
2 It's nine o'clock .My father ( )(work) in the office.
3 Look the boys ( )(put) the rubbish into the bin
4 ( ) he ( ) (clean) the classroom No,he isn't .He ( )(play)
5 Where is Mike?He ( )(run) on the grass
6 Listen ,who ( )(sing) in the music room?
答案
1.doing,am eating
2.is working
3.They are putting
4.Is,cleaning,is playing
5.is running
6.is singing
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